Routing-machine



5 Sheets-Sheet 1.

' (No Modei.

V.,ROYLE & JfROYLE, Jr.

ROUTING MACHINE.

Pa ented Dec. 13, 1887.

N. PETERS. mm vumo n hqr, washinglump. O

(NbMod eL) 5Sheets'Sheet 2. V. ROYLE 82; J. BOYLE-Jr.

' ROUTING MACHINE.

No. 374,707. Patented Dec. 13, 1887.

N. mans. mwmhu n w. wnhingmuc (No Model. I Y 5 sheetksneepa -V.' RO'Y LE& J. BOYLE, Jr.

7 ROUTINGYMAGHINE.

No. 374,707. Patented Dec. 13, 1887.

N, PETERS. Piano-Lithograph. Wzlhingion, ac

5 Sheets-Sheet 4.

(No Model.)

V. BOYLE &. J. BOYLE, JI'.

ROUTING MACHINE. v

Patented Dec. 13,1887.

(No Model.)

, 5 Sheets- Shgflt 5.; VVROYLE 8v J. ROY L-E, Jr.

ROUTING MACHINE.

' Patented Dec. 13, 11887.

N4 PETERS. PhuIwUihcgr-lpher, wmhingtwn. D1:

NITED STATES PATENT OFFICE.

VERNON BOYLE AND JOHN BOYLE, JB., OF PATEBSON, NEW JERSEY.

ROUTING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 374,707, dated December13, 1887.

Application filed June 13, 1887. Serial No. 241,124. (No model.)

To all whom it may concern: Be it known that we, VERNON BOYLE and JOHNBOYLE, Jr., both 01" Paterson, in the count-y of Passaic and State ofNew Jersey, have invented a new and useful Improvement inRouting-Machines, of which the following is a specification.

\ The invention relates to routing-machines for use by engravers onwood, metal, and other surfaces, and in which a rotating cutter capableof being raised and lowered is carried by a spindle upon ajointed lever;and the invention relates to those machines which are termed elbowmachines, and in which the cutter is maintained upon one arm which isjointed to another arm, the latter being pivoted at its end to anupright post, so as to accomplish every movement by the swinging of sucharms, and in part to what are known as straight-line machines, in whichthe cutter is mounted upon an arm capable of sliding lengthwise in acarriage or support having a pivotal center.

Certain features of ourinvention relate to a novel means for applying amovable dog or work-clamp which, in connection with the fixed dog orworkclamp, serves to hold the work upon a table. The operating-handle,which engages with a notched bar in the means which make up thesecombinations of parts, is elastic and constitutes a spring through whichthe handle operates to move the dog or clamp, and the spring has anadjustable bearing for varying the elasticity of the handlearm, and bywhich the elastic handle-arm is supported at any desired distance fromits end and the length ofits elastic portion is varied, as may bedesired. 'In these combinations of parts the bar which carries themovable dog or clamp is supported by rock-shafts and swinging arms toprovide for its parallel motion, and on one of these rock-shafts is abevel gear-sector, with which engages a mas ter-sector having a verticalaxis, and a horizontally-swinging lever or handle for operating thismaster-sector in a horizontal plane.

The invention also consists in other novel combinations of parts,including a;novel construction of bearings for an upright shaft orspindle, and for an arm which is pivoted con- .centric therewith. Theyalso consistin a novel construction of this pivoted first arm of themachine. Such novel combinations also include a novel construction ofthe hearing or pivotal joint which connects the first and second arms,and which enables such bearing or joint to be adjusted so as to preventlost motion in the pivotal connection, notwithstanding wear to which itmay be subjected. The novel combinations of parts also include a novelconstruction of the second arm of the machine. The novel combinations ofparts also include novel features in the construction of the clamp orchuck, in the work-spindle which holds the rotating cutter, and in theappliances which are used in connection therewith, as hereinafterparticularly described, and pointed out in the claims.

In the accompanying drawings, Figure l is a partly sectional elevationof a machine embodying our invention and in which are employed two armsjointed together, and thefirst arm pivoted at the end for enabling thecutting-tool or cutter to have a universal motion imparted to it. Fig. 2is a plan and horizontal sectionof such parts as are necessary to showthe means for operating the movable work dog or clamp. Fig. 3 is a planof the machine. Fig. 4 isa front elevationthereof, including a sectionalview of the mechanism for operating the work-dog and of the joint andbearing for the first arm. Fig. 5 is a sectional elevation of thecutter-spindle, together with its appurtenances. Fig.6 is an eleva tionof the cutter-spindle and appurtenances in a plane at right angles toFig. 5, including a transverse section of the second arm. Fig.

- 7 is a plan of the parts shown inFigs. 5 and 6. Fig. 8 is a tranversesection upon about the plane indicated by the dotted line :0 m, Fig. 6,of the pulley which controls the cutterspindle. Fig. 9 is a horizontalsection of one of the bearings which supports the cutterspindle. Figs.10 and 11 are a longitudinal section and an end view, upon a largerscale, of the chuck which holds the cutter; and Fig. 12 is a plan, andFig. 13 a vertical section on about the plane indicated by the dottedliney y, Fig. 12, of a straight-line machine embodying certain featuresof the invention.

Similar letters of reference designate corresponding parts in all thefigures. I

Beferring first to Figs. 1 to 11, inclusive, A designates a hollowstandard of cast metal, on

which is supported a horizontally-extending table or frame, B,constituting a work-table. This frame constitutes a work-table, whereonthe work, 0, is secured by means of a stationary clamp or dog, which isadjustable to suit work of different sizes, and which after adjustmentis secured by a screw and hand wheel, 0. In connection with the fixeddog 0 we employ a movable or adjustable work-dog, C, which has a shankadapted to be inserted within a series of holes, 0, formed in an upperbar, 0". This bar 0 is carried by means of arms 0, arranged in pairs andmounted upon rock-shafts C G. The rock-shafts are jonrnaled in a hangeror bracket, 0 which is secured by bolts 0 upon the under side of thetable or frame B, as best shown in Fig. 1, and which are alsorepresented, together with the rock-shaft and arms, in Fig. 2. It willbe readily understood from the above description that any movement ofone rock-shaft, C, in the direction of the arrow 8 in Fig. 1, will movethe clampingdog 0 against the work, 0, and will press the latter incontact with the fixed dog 0.

Each pair of arms 0 may be made as one integral casting, the two armsprojecting from a hub which is journaled upon a pin; but the same resultwould followif each pair of arms were fastened directly to the pin, andthe pins 0 G, upon which the arms turn, we have designated asrock-shafts. Upon one of the rockshafts, G, is a bevel gear-segment, e,and adjacent thereto and engaging therewith is a second segment, a,which constitutes a master-segment, rotating in a horizontal plane upona vertical axis, 0". This axis 0 as best represented in Fig. 4, may havea flange, 0, whereby it is bolted to the under side of the table B, andupon this pin or axis 0 may turn the master-segment 0*. Themaster-segment a has a tangential arm, a, to which is secured at c ahandle-arm, 0", provided at the end with a handle, 0 and this handle-armor handle is elastic or yielding and constitutes a spring which iscapable of engagement with the notched bar 0 to hold it in differentpositions to which it may be adjusted. The tangential projection affordsa flat surface for the spring handle-arm c to bear against, and theextent of this surface may beincreased by sliding a collar, 0, upon theprojection 0 from the master-segment, and thereby ofler a shorter lengthof the arm which is elastic. By moving the collar backward or forwardupon the projection c it will be seen that the length of the handle-arnwhich is made available for purposes of elasticity may be increased ordiminished, as may be desired, to give the movable dog 0? the desiredand most effective hold upon the work, and to enable the handlearm 0 tobe engaged with any tooth desired of the notched bar o and so hold thedog 0 firmly upon the work.

ddesignatesa rotary cutter which is clamped in a chuck, d, hereinafterdescribed, carried by the rotary cutter-spindle D. The cutter spindle Dis supported directly by an arm, D D", which is jointed to another orfirst arm, D D, and this first arm has its portion D constructed withasocket or sleeve, D, which surrounds a post, D". flange, 11, whereby itis secured through proper screws, (1*, to the upper portion of abracket, D, secured by screws (1", or bolts, upon the table B. Thisbracket D is constructed with a gap or recess, D that is to say, it isin the form ofa U laid upon its side-and the upper portion of thebracket D greatly overhangs the table or bed B and brings the support ofthe arm D D nearer to the cutter-spindle D, while at the same time itpermits of suflicient room for the reception of work into the bracketand beneath the overhanging portion.

The arm'D D is of peculiar construction, inasmuch as its portion Dconsists of a hollow casting, (shown best in Fig. 4,) and constructedwith a socket or sleeve, D and the portion D of said arm consists of apipe or cylindric rod screwed or otherwise secured into the casting atthe point (1 and projecting beyond the same. The extremity of the arm D,which is constructed of pipe, maybe forked, as shown at d, and havepivoted within it a block, d, which can swing freely in a horizontalplane, and through which passes a handle-bar, D, constructed with ahandle, (i and notched at its lower edge to engage the block d. Thisconstruction of the handle-bar D" is similar to that shown in ourLetters Patent No. 193,555, granted July 24, 1877, and we therefore makeno special claim to its construction. The post D is hollow, and thesocket or sleeve D .mounted thereon has likewise a flange, d",

which is capable of turning on the flange d, and the turning movement islimited by a screw, d', passing through a slot, (1, in the flange d. Theflange ofgives a broad bearing for the sleeve or socket D and the arm I)D can therefore be swung readily upon the post D as may be desired. Theprojection D of the arm D consists simply of a handle-bar, which may behollow, and which is free to slide upon the top of a guide, (1, so as totake the weight of the parts oft the rotary cutter.

Within the hollow post D is arranged a central or driving shaft, E,which may be fitted to a bearing-block constituting a step-bearing, e,fitted in the lower part of the post, and which at its upper portion isfitted as a jour' nal to a bearing, 0, secured as a bushing within theupper part of the post. Upon the shaft or spindle E is secured a pulley,E,which has formed integral with it or rigidly secured to it a pulley,E, and above the pulley E is a third pulley, E", which is secured to theshaft E. The pulleys E E maybe rotated as one piece upon the shaft, andthe top ofthc bearing 6' is constructed with a cup, e, to receive thegrease, the hub of the combined pulleys E E entering somewhat into thiscup. The pulley E may be fast or loose upon the The post D may have adriving-shaft E, a s may be desired, and by means of a belt-shipper,-E adriving-belt may be shifted from the pulley E onto the pulley E and viceversa. When the beltis shifted onto the pulley E, the pulley E, througha belt, E transmits motion to a pulley, E, mounted upon a turntableconnection between the arm D D and the arm D D The belt-shipper E iscarried by an arm, e from asleeve, e, which is mounted-upona guiding-'rod, 6 and on the sleeve 6 is an arm, 6, through which said sleeve andthe shipper E1 upon it may be raised by a rod,'e The lower end of therod 6, which is guided in the table or base B, has connected with it alever, E, fulcrumed at c and with the opposite end of which is connecteda rod, 6 leading downward to atreadle, 6". (Shown in Fig. 4.) Thetreadle is upon a rock-shaft, e, and the rod e is connected with an arm,e, upon said rockshaft. When the treadle e is pushed down, it passesbeneath and is retained by a latch, e pivoted at 6, but which by'gravityassumes the position shown in Fig. 4.

The construction of the turn-table connection between the arms D D and DD is best shown in Fig. 1. This turn-table connection consists of alower part or portion, F, fitted to slide upon the pipe-extension D ofthe arm D and constructed with a broad fiatupper surface, and anupper'portion, F, which forms a part of the arm D D". The part D isbroad at the part F, as best shown in Figs. 3 and .1', and of littledepth; but at the farther end and nearer the rotary cutter-spindle D itis of less width and increased depth, as best shown in Fig. 1. Thepulley E, which rotates upon a fixed spindle, E has formed integral withit another pulley, E, from which a belt, E passes to a pulley, E, uponthe cutter-spindle D. NVithin the lower part, F, of the turntableconnection is fitted as a screw-threaded plug a bearing piece or washer,f, and an upright spindle, which constitutes a central post on whichthe-pulleys E E turn, is shouldered at f, and provided with a nut, f forsecuring the pulleys upon it, and is shouldered,

again at f to bear upon the piece f, and thence projects downwardthrough the partF, which slides upon-the bar or pipe D*, and is providedat the bottom with a nut, f for tightly securing it in place.

Now, it is obvious that if the shoulder f bear upon the face of the partF, the facingoff of the parts F F would reduce the thickness of theparts through which the spindle or post E extends; but when this occursthe plug or bearingpiece f is correspondingly set down within the partF, and provision is afforded for securing the post E firmly in the partF, and at the same time enabling it to hold the part F securely inplace, so as to per mit it to turn relatively to the part F and stillprevent its wabbling on said part. However much it may be necessary,owing to the increased wear, to cut away from the faces of therepresented as divided or slotted at h bearings h and their linings hare. arranged with the slots or lines of division opposite spindle D.

parts F F, the part F may always be prevented from any wabbling or lostmotion on the post E by setting down or screwing the bearingplugfintothe part F.

Upon the end of the arm portion D which is square or of rectangularform, as at d*, is fitted. a stock-piece or upright guide, .H, and to adovetailed projection or gib, h, upon this guide a slide, H, may bemoved by an upright.

screw, h, operated by a handle, h. No special description of these partsis necessary, as

they are very similar to the slide-rest upon an respondingly-headedbolt, h, which secures the stock-piece H upon the arm in any desiredposition. This stock-piece is also secured by bolts h, which projecttransversely through .it and the arm D", as best shown in Figs. 5

and 7. v I

Upon the slide H are constructed bearings ;h for the cutter-spindle D.The construct-ion of these bearings is best understood from Figs. 5, 6,7, and 9. Each bearing h is split or .di-. vided at h, and by screws his tightly closed upon bushings or linings h, which are here The eachother, as shown inFigs. 7 and 9. When the screws h are set up so as totighten the bearings, the bearings are made slightly oval,

slots or divisions h of the linings or bushings as will be wellunderstood; but owing to the IOO measure corrected and atrue cylindricbean ing is afforded for the cutter-spindle D. A.

lubricant is supplied to the cutter, spindle from oil-cups 2', providedwith feeding-tubes i, by capillary traction, and the oil-cups tare heldin place each by a clamp, '6 in a well-,

the chuck is drawn upward into the cutterspindle D the elastic jawsthereof are tightened upon the shank of the cutter d, and the chuck isthereby held securely in place.

Upon the cutter-spindle D is a shoulder, i

above which is a washer, t bearing upon the Above the lower bear-.

end of the bearingh. ing h v is another washer, 49, and above thiswasher a pulley, E, is clamped upon the The'body of this pulley may besplit or slotted, as at i and'by a nut, 71, applied to its hub, may becontracted tightly upon the spindle D. The nut i vmay be con structed soas to form anroil-cup, iflinto which the bushing h of the upper bearingprojects, and the pulley E may have a tubular sleeve or covering, H,secured in place between the nut i and the shoulder at the bottom of thepulley. In this way the parts are assembled so asto compensate for wearand so as to prevent the longitudinal movement of the cutter-spindle Din case of any lost motion.

In the example of theinvention shown in Figs. 12 and 13 the upperportion of the bracket D has projecting upward from it a of which willsoon be described.

hollow post, D", and within this hollow post is arranged the spindle orcounter-shaft E, which is fitted to the bearings e 0, consisting ofblocks or bushings inserted in the post. Upon the upper end of the shaftor spindle E are mounted the pulleys E E, formed integral with eachother, and aloose pulley, E, as previously described with reference toFig. 4. The hollow post has a flange, d,whereby it is bolted by screws dto the bracket or hanger D, and the post has mounted upon its exteriortwo sleeves or sockets, D I, the purpose The sleeve D has arranged uponit a transversely-projecting shank and slideway, J, provided withrollers j, which guide and support a bar, J, and upon this bar ismounted a cutter-spindle, D, in a manner similar to that described withreference to the preceding figures. The edges of the bar J bear upon therollersj and provide for the sliding of such bar in the direction of thedouble-headed arrows shown in Fig. 12 with as little friction andresistance as possible. From the sleeve or socket I pro 'jects an arm,I; carrying a. spindle on which are two pulleys, E E, similar to thosebefore described. From the pulley E a belt, E transmits motion to thepulley E and from the pulley E a belt, E, transmits motion to .thepulley E upon the cutterspindle D.

J designates ahandle-bar which at one end has a pivotal and slidingconnection, j, with a bar, J, which is pivoted at j to the carriage J,and by means of the handle-bar J the bar J may be slid lengthwisethrough the carriage J,while by means of such bar or arm J, which has anextension, D, bearing upon the track or way (1", the bar J may be swungto and fro in a direction transverse to its width, and the belts E E"meanwhile accommodate themselves to changed positions of the spindles toand from which they convey motion.

In order to keep the work free from chips at the point of cutting, wehave represented fanblades as projecting from the spindle D near itslower end, and which serve by the blast of air they produce to blow awaythe chips or cuttings. In cutting theside strain is all upon one side ofthe cutter d, and to hold it more securely in the chuck d we haverepresented the rod 1' as having at the lower end a projection, 0, whichbears against the end of the cutter-shank.

What we claim as our invention, and desire to secure by Letters Patent,is-

1. The combination, with the work-tablejot' a routing or moldingmachine, of a fixed dog or work-clamp, a movable dog or clamp, and anoperating-handle and notched locking-bar for clamping it upon the work,aspring through which the handle operates to move the dog or clamp, andan adjustable bearing for varying the elasticity of the spring,substantially as herein described.

' 2. The combination, with the work-table and fixed work dog or clamp ofa routing or molding machine, of a movable dog or clamp, an elasticleveror handle arm through which said movable dog or clamp is actuated tohold the work, and an adjustable bearing-block through which the elasticlever or arm is supported at any desired distance from its end, and anotched locking-bar for the lever or arm, substantially as hereindescribed.

3. The combination, with the work-table and fixed dog or work-clamp of arouting or molding machine, of a bar carrying a movable dog or clamp andsupported by rock-shafts and swinging arms to provide for its parallelmotion, a master bevel gear-sector having a vertical axis and engaging acorresponding sector on one of the rock-shafts, and ahorizontallyswinging lever or handle for operating said master sector,substantially as herein described 4. The combination, with the'worktableB and the dog 0, of the bar G, carrying the dog 0", the rock-shafts andarms supporting said bar, the bevel gear sectors 0' c, the elastic leveror handle arm 0, secured at c to the hub of the sector a, the slidingblock 0", forming an adjustable bearing forsaid lever or arm, and thelockingbar c, substantially as herein described.

5. The combination, in a routing or molding machine, of a bracket, as Dthehollow post D, mounted thereon, the-first arm portion, D journaledupon the exterior of the post, and the mainshaftor spindle havingbearings within the post, substantially as herein described.

6. The combination, in a routing or molding machine, of asupporting-bracket, as D,

the hollow post D having a laterally-extending flange at the base, thefirst arm portion, D, journaled on'the exterior of said post and havinga flange which is afforded an extended horizontal bearing on the flangeof the post, and a main shaft or spindle journaled within the post,substantially as herein described.

7. In a routing or molding machine, the first arm composed of a hollowcasting or body portion, D, and a cylindrical-extension, D, therefrom,substantially as herein described.

8. In a routing or molding machine, the combination, with the'first andsecond arms jointed by a turn-table connection, the lower member orplate of which slides upon the first arm, of a shouldered post or shaftsecured in said lower member or plate and on which turn thetransmitting-p ulleys, and the bearing'piece f, adjustable relatively tothe face of the lower ICC member or plate and against which the shoulderof the post or shaft bears, substantially as herein described.

9. The combination of the first arm and the 5 lower member or plate, F,mounted thereon and containing in its face the adjustable piece f, thesecond arm portion,D, having the plate or turn-table member F,cupshapedat the top to contain oil, the post or fixed shaft E se- 10 cured in themember or plate F and having ashonlder bearing against the adjustablepiece f, and the pulleys E E, turning on said post or shaft and havingtheir hub entering the cavity in the plate or member F, substantially I5 as herein described.

10. The combination, with the first arm of a routing or molding machine,of the second arm portion, D, havinga turn-table connection' with thefirst arm and increasing in depth, 20 but decreasing in width toward itsouter end, where it carries bearings for a cutterspindle, substantiallyas herein described.

11. The combination, with the spindle D, having a taper socket or seat,i and the fan 25 blades on its exterior, of the taper and split chuck d,and the rod i extending through the spindle and engaging the chuck fordrawing it into the taper socket or seat, substantially as hereindescribed.

12. The combination, with a spindle having 0 a taper socket or seat, ofa split chuck having an internal thread at its back end and a conicalexterior fitting the taper seat, and a rod, '5 extending through thespindle and screw-threaded at the end nearest the cutter 3 to engage thechuck, and having a hearing by its inner threaded end against the end ofthe shank of a cutter introduced in the chuck, whereby a cutter madeseparate from the said rod is prevented from working into the chuck, 0substantially as herein described.

13. The combination, with a cutterspindle having a shoulder, i near itslower end, of upper and lower bearings therefor, and a pulley secured tothe spindle between the 'bear- 5 ings and serving in connection withtneshoulder on the spindle and by bearing against the endvof one of thebearings to prevent length wise movement of the spindle, substantiallyas herein described.

VERNON BOYLE. JOHN BOYLE, JR.

Witnesses:

O. F. MAGER, SIDNEY FARRAR.

